/**
 * This file is part of the Kompics P2P Framework.
 *
 * Copyright (C) 2009 Swedish Institute of Computer Science (SICS)
 * Copyright (C) 2009 Royal Institute of Technology (KTH)
 *
 * Kompics is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package se.sics.drsm.model;

import se.sics.drsm.ports.drsm.events.DRSMLookupRequest;

import java.util.LinkedList;

/**
 * The <code>LookupInfo</code> class.
 *
 * @author Cosmin Arad <cosmin@sics.se>
 * @author Shadid Chowdhury <msrch@kth.se>
 */
public class LookupInfo {

    private final DRSMLookupRequest request;

    private long initiated, completed;

    private int hopCount;

    private final LinkedList<DRSMAddress> hops;

    public LookupInfo(DRSMLookupRequest request) {
        this.request = request;
        this.hopCount = 0;
        this.initiated = 0;
        this.completed = 0;
        this.hops = new LinkedList<DRSMAddress>();
    }

    public int getHopCount() {
        return hopCount;
    }

    public void appendHop(DRSMAddress hop) {
        this.hopCount++;
        this.hops.add(hop);
    }

    public DRSMLookupRequest getRequest() {
        return request;
    }

    public void initiatedNow() {
        initiated = System.currentTimeMillis();
    }

    public void completedNow() {
        completed = System.currentTimeMillis();
    }

    public long getDuration() {
        return completed - initiated;
    }

    public LinkedList<DRSMAddress> getHops() {
        return hops;
    }

    @Override
    public String toString() {
        return "HOPS=" + hopCount + " DURATION=" + (completed - initiated) + " INITIATED=" + initiated;
    }
}

